\chapter{Slater-Kirkwood dispersion constants}
\label{app:dispconsts}

The following table contains recommended dispersion constants for some elements
with the Slater-Kirkwood dispersion model (see
p.~\pref{sec:SlaterKirkwood}). The values have been tested for biological
systems, C, N, O and H predominantly for DNA \cite{elstner-jcp-114-5149}. If you
would like to calculate different systems or you're looking for other elements,
check references \cite{miller-JAmChemSoc-112-8533} and
\cite{kang-TheorChimActa-61-41}. The values of the atomic polarisabilities and
cutoffs are given for zero, one, two, three, four and more than four neighbours.

\begin{center}
\begin{tabular}{|c|c|c|c|c|} \hline
Element & Polarisability [\AA$^3$] & Cutoff [\AA] & Chrg & Note \\
\hline
O & 0.560 0.560 0.000 0.000 0.000 0.000 & 3.8 3.8 3.8 3.8 3.8 3.8 &
3.15 & \\
N & 1.030 1.030 1.090 1.090 1.090 1.090 & 3.8 3.8 3.8 3.8 3.8 3.8 &
2.82 & \\
C & 1.382 1.382 1.382 1.064 1.064 1.064 & 3.8 3.8 3.8 3.8 3.8 3.8 &
2.50 & \\
H & 0.386 0.386 0.000 0.000 0.000 0.000 & 3.5 3.5 3.5 3.5 3.5 3.5 &
0.80 & \\
P & 1.600 1.600 1.600 1.600 1.600 1.600 & 4.7 4.7 4.7 4.7 4.7 4.7 &
4.50 & PO$_4$ only \\
S & 3.000 3.000 3.000 3.000 3.000 3.000 & 4.7 4.7 4.7 4.7 4.7 4.7 &
4.80 & S, not SO$_2$ \\
\hline
\end{tabular}
\end{center}

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